PT - JOURNAL ARTICLE AU - A.H. Aiken AU - T. Tihan AU - C. Glastonbury TI - Reply: AID - 10.3174/ajnr.A2098 DP - 2010 Apr 15 TA - American Journal of Neuroradiology 4099 - http://www.ajnr.org/content/early/2010/04/15/ajnr.A2098.short 4100 - http://www.ajnr.org/content/early/2010/04/15/ajnr.A2098.full